baber/WOPTO huggingface dataset:
Patent KR-20000008732-A (KR)
Title: Battery voltage level display method of the time sharing wireless terminal
Inventor: KIM BOK GI
IPC: H04B1/40
Filed: 1998-07-15
Abstract: PURPOSE: A battery voltage level display method displays more accurate battery voltage level at a predetermined compare level boundary in order to display a voltage level in TDMA terminal. CONSTITUTION: The battery voltage level display method reads (30) a battery output voltage according to a sampling time, and stores it. If the reading number of the battery output voltage is beyond the standard value, the method computes (36) average value of the stored battery output voltage. The method compares (48) the computed average value with a predetermined compare level, and displays (40)(42) a battery voltage level. Thereby, the method displays more accurate battery voltage level at a predetermined compare level boundary.
Patent KR-20000013969-A (KR)
Title: Wafer loading device of dry etching equipment for fabricating semiconductor device
Inventor: LEE CHANG SEOK
IPC: H01L21/302
Filed: 1998-08-14
Abstract: PURPOSE: A wafer loading device of a dry etching equipment for fabricating a semiconductor device is provided to reduce a separating/coupling process of a flange for supporting a lead screw. CONSTITUTION: The flanges are respectively inserted to a center and an end of the lead screw for supporting a revolvable lead screw. An incision groove is downwardly formed in a penetration hole of the flange. A width of the incision groove is larger than a diameter of the lead screw. If the flange is separated from the lead screw, a worker can separate the lead screw from the incision groove extended to the penetration hole without separating a nut or a screw, a flange, and a poly assembly.
Patent KR-19990023639-A (KR)
Title: 살진균성 2-메톡시벤조페논
IPC: C07C45/46
Filed: 1998-08-17
Abstract: 화학식 1의 치환된 벤조페논 화합물이 기재되어 있다. 
     
       
         
       
     
     화합물은 높은 조직성을 갖는 살진균제로서 유용하다.
Patent KR-19980082088-A (KR)
Title: 반찬 수납실이 구비된 식탁
Filed: 1998-08-22
Abstract: 본 발명은 반찬 수납실이 구비된 식탁(Table provided side dish room)에 관한 것으로, 식탁에 반찬을 출몰시켜 수납할 수 있도록 하여 식탁 차림의 불편함을 해소하고, 식탁에 수납된 반찬을 냉장 상태로 보관할 수 있도록 하기 위하여, 식탁의 상부에 반찬을 수납하는 반찬수납실(1)형성하고, 상기 반찬수납실(1)에 반찬이 출몰되게 수납하는 반찬승강수단을 구비하며, 상기 반찬수납실(1)의 상부를 개폐하는 도어개폐수단를 구비하는 한편,  상기 반찬수납실(1)에 냉장 상태로 반찬이 보관되게 하는 냉장수단을 구비하고, 상기 반찬승강수단과 도어개폐수단 및 냉장수단 제어하는 제어부(40)로 구성한 것이다. 
     따라서, 본 발명은 반찬을 반찬수납실에 출몰되게 수납하여 보관할 수 있도록 하므로서 매 식사 때마다 반찬을 차려야 하는 불편함이 해소됨과 더불어 식탁을 항상 청결한 상태로 유지할 수 있고,  상기 반찬수납실에 수납된 반찬을 냉장수단에 의하여 냉장 상태로 보관할 수 있도록 하므로서 반찬의 보관성을 높이며, 식탁을 식사의 목적 외에도 공부하는 책상 등과 같은 다른 목적으로도 사용이 가능하도록 한 것이다.
Patent KR-20000019543-A (KR)
Title: Method for activating p-type in gallium nitride thin film doped with magnesium and grown by organic metal chemical vapour deposition by plasma annealing
Inventor: CHO JANG YEON
IPC: H01L21/20
Filed: 1998-09-12
Abstract: PURPOSE: A method of plasma annealing is provided to prevent the combination of hydrogen and magnesium in reaction chamber and to supply more charge carrier into a thin film. CONSTITUTION: A method of activating p type impurity characterized by the following 3 steps, the step of growing gallium nitride buffer layer of a specific height on a sapphire substrate by using organic metal chemical vapor deposition with a specific temperature, the step of growing gallium nitride thin film of specific height doped with magnesium on the buffer layer with high temperature, and the step of annealing the substrate by using argon or nitrogen plasma in the vacuum of 1/1000 Torr after the second step executed in nitrogen circumstance.
Patent KR-20000020241-A (KR)
Title: Method for forming field oxide film of semiconductor device
Inventor: KO HO SOON
IPC: H01L21/76
Filed: 1998-09-18
Abstract: PURPOSE: A method for forming a filed oxide film of a semiconductor device is provided to improve the performance of a device by reducing the knife edge phenomenon that the field effect is concentrated on the edge part and improve the yield of the device by simplifying the process. CONSTITUTION: The knife edge phenomenon is reduced by rounding the edge part of a trench(40) using a thermal oxide spacer(60). The method comprises the steps of: stacking an ISO mask(20) having a contact part on a part of a semiconductor substrate(10) where a field oxide is to be formed after stacking a pad oxide(15); stacking a nitride film(30) after forming the trench by etching the pad oxide and the semiconductor substrate using the ISO mask; stacking an oxide film(45) acting as an insulator on the bottom of the nitride film; forming a field oxide(50) removing the unnecessary part except the buried part in the trench using a chemical mechanical polishing method; removing the nitride film by etching; forming the thermal oxide spacer by thermal oxidation of the part revealing the semiconductor substrate on the trench edge.
Patent KR-20000031647-A (KR)
Title: Channel information detecting device of wave division multiplexed optical signal using wave selection type optical detector and method therefor
Inventor: PARK CHANG SU
IPC: H04B10/077
Filed: 1998-11-09
Abstract: PURPOSE: A channel information detecting device of wave division multiplexed optical signal using wave selection type optical detector and method therefor is provided to simultaneously process several channels using signals having multi wave channels mixed. CONSTITUTION: A channel information detecting device of wave division multiplexed optical signal using wave selection type optical detector comprises an optical multiplexor(31), an optical amplifier(32), optical couplers(33,34), a normal optical detector(35), a wave selection type optical detector(36), and a signal processor(37). The multiplexor(31) multiplexes any wave channel input from outside. The optical amplifier(32) amplifies the multiplexed optical signal from the optical multiplexor(31). The optical couplers(33,34) divide the optical signals from the amplifier(32) and the coupler(33), respectively. The optical detector(35) converts the optical signal divided in the optical coupler(34) into an electric signal having a constant value. The optical detector(36) converts the optical signal divided in the optical coupler(34) into an electric signal having different value in accordance with the wave.
Patent KR-20000033803-A (KR)
Title: Travel priority equipment
Inventor: JEONG DAE SEUNG
IPC: E02F9/20
Filed: 1998-11-25
Abstract: PURPOSE: A travel priority equipment of a heavy equipment for a construction is provided to simplify a constitution of a circuit and to improve the reliability of an operation. CONSTITUTION: A travel priority equipment is equipped: a center bypass passage(1) to sequentially connect a control valve for a traveling motor(CV1), a first control valve for a hydraulic actuator(CV2) and a second control valve for the hydraulic actuator(CV3) from a hydraulic pump(P); and diverging passages(2,3,4) diverged from the center bypass passage(1) to each supplying side of each control valve(CV1,CV2,CV3). The control valve for the traveling motor(CV1) is arranged in the upper side from the hydraulic pump(P). A parallel passage(5) to supply a flux from a certain position of the center bypass passage(1) without passing through anything among control valves(CV2,CV2,CV3) to each supplying side of the first and the second control valves for the hydraulic actuator(Cv2,CV3) is installed, and an orifice(6) is installed in the certain position in the upper side of the parallel passage(5). When each actuator is operated individually, that is, when the flux is supplied to the one of each control valve(CV1,CV2,CV3), a full amount ventilated from the hydraulic pump(P) is supplied because the flux is supplied through the one of each diverging passage(2,3,4). When the other actuator is operated at the same time as traveling, the sufficient flux is supplied to the control valve of traveling motor(CV1), but the limited flux is supplied to the control valves of other actuator(CV2,CV3) than the control valve of traveling motor(CV1) because the flux is supplied through the parallel passage(5) by passing through the orifice(6).
Patent KR-20000033944-A (KR)
Title: Gs-bus dual interface structure
Inventor: PARK JONG YOON
IPC: G06F7/00
Filed: 1998-11-26
Abstract: PURPOSE: A GS-bus dual interface structure is provided to support a communication line between processors in a distributed control system of a switching system, specially to inform a receiving data line status of a standby side by checking data train of an active and standby side at an IPC communication. CONSTITUTION: A GS-bus dual interface structure includes a standby bus test logic for testing an error occurrence of the standby bus by comparing a transmission data, input into a transceiver, with a standby bus data loop-backed. The standby bus test logic comprises standby bus data comparison detectors(25,26,27) and a standby bus error status register(28). The standby bus data comparison detectors(25,26,27) compares the data bit train of the transmission data with the looped-back standby bus data bit train. The standby bus error status register(28) receives the error detection result from the standby bus data comparison detectors(25,26,27), and sends the result to a CPU(10).
Patent KR-20000034037-A (KR)
Title: Grape seed extract as tyrosinase inhibitor
Inventor: LEE YOUN HYUNG
IPC: A61Q19/02
Filed: 1998-11-27
Abstract: PURPOSE: A grape seed extract as tyrosinase inhibitor is provided, which shows strong anti-oxidation activity, so can be used as a cosmetic with functions of inhibition of melanin-production, prevention of skin aging, skin protection, and whitening; a medicine for freckles, flecks, spots or hyper pigmentation during pregnancy; an anti-oxidant for food. CONSTITUTION: The process for the preparation of grape seed extract as tyrosinase inhibitor comprises of: washing, drying and pulverizing grape seed; eliminating fat by hexane; extracting with shaking incubator after adding ethanol, methanol or acetone during less than 12hrs; concentrating the extracts under decompression using rotary evaporator at 50°C; and vacuum-drying to gain powdered grape seed extract.
Patent KR-20000042181-A (KR)
Title: Method for preventing slag of ferrite stainless steel from being dusty
Inventor: KIM DONG SIK
IPC: C21C7/00
Filed: 1998-12-24
Abstract: PURPOSE: A method is provided to prevent a taken out slag from being dusty when taking out molten steel from a refining furnace. CONSTITUTION: Silicon is added up within a slag upon taking out molten steel, and incinerated rice hulls are added up in order to control the basicity of the slag. Herein, an oxidization degree is lowered by adding up 20 to 40 Kg of silicon per one ton of slag and deoxidizing the slag in a step of adding up the silicon. The basicity of the slag kept within 0.8 to 1.4 by adding up the incinerated rice hull of 0.1 to 0.5mm particle having dioxide silicon in the molten steel in a step of adding up the incinerated rice hull.
Patent KR-20000043110-A (KR)
Title: Side door lock button of vehicle
Inventor: KIM HYO DONG
IPC: E05B85/04
Filed: 1998-12-28
Abstract: PURPOSE: A side door lock button of a vehicle is provided to simplify the assembly of a lock rod and a rock button by positioning the lock rod on upper and lower stepped parts of the lock button and coupling a button cover to a button body of the lock button. CONSTITUTION: A side door lock button(10) of a vehicle includes a button main body(20) having an upper stepped part(26) for fixedly receiving a curved end part(202) of a lock rod(200), a lower stepped part(28) opened in a center, a supporting groove formed at a lower center part for supporting vibration of the lock rod in left and right directions, and a plurality of supporting block grooves(44) on an inner surface of a button cover(40) fixed by a hook(42) on the button body for firmly catching left and right sides of the lock rod supported in the button body.
Patent KR-20000043648-A (KR)
Title: Reel table for tape recorder
Inventor: PARK NAM SU
IPC: G11B15/32
Filed: 1998-12-29
Abstract: PURPOSE: A reel table for a tape recorder is provided to prevent a tape from being wound up slack by increasing the friction resistance of an inner boss on a reel table. CONSTITUTION: An inner boss(24) having a groove(26) is formed on a take-up reel table(20) for having a smaller rotational ratio than the other reel table. Herein, the diameter of the inner boss is 10mm while having the groove with a diameter for 9mm. Therefore, the rotational ratio of the take-up reel table and the other reel table is 0.498:1. Thus, as much tension as the reduced rotational frequency of the take-up reel table is added to the tape. And, the tape is wound up to the take-up reel table more tightly.
Patent KR-20000044096-A (KR)
Title: Structure for combining roof head lining of bus
Inventor: HWANG WON U
IPC: B62D25/06
Filed: 1998-12-30
Abstract: PURPOSE: A combining structure of roof head lining for a bus is provided to improve the workability by reducing a process and a time and to embody the high grade of a quality. CONSTITUTION: A protruded portion(31) formed in an upper left and right sides of a roof head lining(R/L) and formed an inserting groove(31a) is equipped. A strip(32) inserted a lower part in the inserting groove(31a) is equipped. A first dual locker(60) formed an inserting groove(62) inserted a upper part of the strip(32) and a second dual locker(61) stuck with the first dual locker(60) as an adhesive member(70) and formed an inserting groove(62a) are equipped. And a fixing member(50) inserted in the inserting groove(62) and supported a one end of an air conditioner duct(A/D) by fixing in a horizontal pillar(2) is contained.
Patent KR-20000044366-A (KR)
Title: Method for controlling call forwarding time in private branch exchange system
Inventor: KIM EUN KYEONG
IPC: H04M3/54
Filed: 1998-12-30
Abstract: PURPOSE: A method for controlling call forwarding time in a private branch exchange system is provided to control an exchange time of received call automatically if the system hasn't received any responses. CONSTITUTION: A method for controlling call forwarding time changes an inside line into another one when a subscriber of inside line doesn't respond although a call is received in a trunk line, and reduces transfer time of a group set to change into an inside line. It can grade time severally, hence that makes a call forwarding work quickly when an inside line subscriber isn't in.
Patent KR-20000046883-A (KR)
Title: Automatic interface apparatus and method in asynchronous digital subscriber line
Inventor: LEE NAM YONG
IPC: H04L12/24
Filed: 1998-12-31
Abstract: PURPOSE: An automatic interface apparatus and the method thereof in the asynchronous digital subscriber line are provided to easily achieve the management and maintenance of a system by automatically setting up the access path of a user from the external with a special communication means. CONSTITUTION: An automatic main distributing frame(110) provides access ports(P1'-Pn') to a plurality of users(11-1n) by the control of an NMS(Network Management System)(150). A DSLAM(Digital Subscriber Line Access Multiplexer)(120) connected with the access ports(P1'-Pn') provides communication lines to the users(11-1n) and transmits the status of the communication lines to the NMS(150). A transceiver(130) carries out data the transmission and reception between the users(11-1n) and a network(140) through the communication lines of the DSLAM(120) at a high speed.
Patent KR-19990044628-A (KR)
Title: 사이드 채널 압축기용 하우징
IPC: F04D23/00
Filed: 1996-09-02
Abstract: 본 발명은 2개의 절반으로 이루어진 사이드 채널 압축기용 하우징에 관한 것이다.  적어도 2개의 방사방향으로 이격된, 앞벽(3)에서 축방향으로 돌출한 링(4 및 5), 및 상기 링 사이에 스포크형으로 연장된 리브 벽(7)이 각각의 절반(1 및 2)의 앞벽(3)에 제공됨으로써, 상기 하우징의 강도가 현저히 증가된다.
Patent KR-19990063873-A (KR)
Title: 집적 회로용 금속 스택의 티타늄과 알루미늄 합금사이의 개선된 인터페이스
IPC: H01L23/52
Filed: 1996-09-30
Abstract: 집적 회로의 구성물들을 상호 접속하기 위해서 사용되는 개선된 금속 스택이 제공된다.  이때, 인터페이스에서 티타늄 층에 질소가 혼입되며, 그 티타늄 층은 알루미늄-구리 합금 층과 같은 벌크 도체 층에 접촉되어 있다.  혼입된 질소에 의해서 상당한 양의 티타늄 알루미니드의 형성이 방지되며, 이에 따라 전류 밀도가 감소되고 그리고 또한 상기 스택의 전자 이동 특성이 개선된다.  본 바람직한 실시예에서, 상기 티타늄 층의 대략 30Å인 제1부분에 상기 질소가 혼입된다.
Patent KR-19990064021-A (KR)
Title: 불꽃점화 시스템용 자기코어코일 조립체
IPC: H01F1/153
Filed: 1996-10-04
Abstract: 자기코어코일 조립체는 적어도 하나의 연소챔버를 가진 불꽃점화 내연기관에서 점화를 발생시킨다. 이 조립체는 저전압 여자용 제1코일과 불꽃 플러그로 이송될 고전압출력용 제2코일을 가진 비결정금속의 금속코어를 포함하고 있다. 고전압은 그 여자에 따라 짧은 주기의 시간내에서 제2코일에서 발생된다. 이 조립체는 점화를 제어하도록 불꽃점화상태를 연소챔버내에서 감지한다.
Patent KR-19990077029-A (KR)
Title: 일회용 베개 또는 쿠션 커버
IPC: A47G9/02
Filed: 1997-01-04
Abstract: 일회용 베개 또는 쿠션 커버(1)는 공기 및 수분 비투과성 재료로 된 외피(2)로 이루어져 있다. 외피(2)는 베개 또는 쿠션(3)을 둘러싸고, 사용자의 머리 또는 다른 신체 부위가 놓일 수 있는 비투과성 받침표면을 제공한다. 외피는 베개 또는 쿠션 내 외부로의 공기 흐름을 가능하게 하는 통기부(11)를 포함한다. 외피(2)는 또한, 베개 또는 쿠션(3)을 끼워 넣고 빼내는 것을 가능하게 하는 밀봉 가능한 개구부(9)를 포함한다. 공기 투과성 재료의 외장층(4)이 받침 표면 위로 연장하고, 외장층(4)과 외피(2) 사이에 어느 정도의 상대적 이동을 가능하게 하고, 그 사이에서의 공기 흐름이 가능하도록, 외장층(4)이 서로 떨어져 있는 위치에서 외피(2)에 부착된다.
Patent KR-20000016477-A (KR)
Title: Interproximal floss brush
Inventor: HARADA STEPHEN D
IPC: A61C15/04
Filed: 1997-04-23
Abstract: PURPOSE: A floss brush is provided to clean enlarged embrasures, teeth, orthidontic structures, or an artificial teeth. CONSTITUTION: A dental hygiene device includes a rigid spine (28) with opposed ends, a brush portion (14) having a plurality of bristles (18) projecting from opposed ends of the a rigid spine (28), and flexible filaments(34, 36) such as dental floss secured to each opposed ends of the rigid spine(28). A free ends of at least one filaments may provide a thin and rigid stiff pin like tip(44) useful as a toothpick or easily in thread the device through gaps between teeth or orthidontic structures.
Patent KR-20000050949-A (KR)
Inventor: LEE WON DO
IPC: A01G13/02
Filed: 1999-01-12
Abstract: PURPOSE: A fruit package material made of synthetic resin is provided to facilitate covering the fruit and uncovering the fruit and to enable to recycle the package material as well as to describe a letter or pattern on the shell of fruits. CONSTITUTION: A fruit package material made of synthetic resin according to the present invention comprises a main body(1) having a branch-binding part(10) wherein a bonding groove(6), a bonding projection(7) are formed in the said main body. Crumples for reinforcing and impact absorbing and a hole for draining is also provided to the main body.
Patent KR-20000059739-A (KR)
Title: Method for Making Instant Scorched Rice-tea
Inventor: LEE KWANG SU
IPC: A23F3/00
Filed: 1999-03-08
Abstract: PURPOSE: Method for preparing instant tea containing processed rice and green tea is provided. In the method, rice is pulverized to be smaller than 1mm in diameter so that it has great mouthfeel after drinking without residue. CONSTITUTION: Method for preparing the instant tea comprises the steps: (i) dipping rice or unpolished rice in water for 3-5 hours; (ii) after taking the swellen rice out of water basin, and then heating the rice at 120-140°C in a rotary-cauldron; and then (iii) pulverizing the parched/steamed rice to be smaller than 1mm in diameter. For the rich aroma, the rice is mixed with green tea powder at a ratio of 90:10 to 96:4.
Patent KR-19990082752-A (KR)
Inventor: ESCHE CARL KURT JR
IPC: C10L1/30
Filed: 1999-03-16
Abstract: 연료 첨가제 및 윤활유 첨가제로서 유용한 중합성 마니히 염기 축합물.     상기 중합성 마니히 염기 축합물은 폴리(α-올레핀/불포화 산성 반응물)과 알데히드 및 아민으로 축합된 알킬-치환 페놀의 마니히 염기 부가물과의 반응 생성물이다.
Patent KR-20000061305-A (KR)
Title: Method for manufacturing semiconductor device
Inventor: KWON SEONG UN
IPC: H01L21/027
Filed: 1999-03-25
Abstract: PURPOSE: A method for fabricating a semiconductor device is provided to improve the margin of coming from the mis-alignment between a pad pattern to be formed at the memory cell region and contact hole to be formed on the pad pattern. CONSTITUTION: An interlayer dielectric(108) is formed on the top of the semiconductor substrate. A mask layer is formed on the interlayer dielectric and is patterned. A pad region(114) is formed by etching the interlayer dielectric by a fixed depth and then a polysilicon spacer is formed at the patterned mask layer and the sidewall of the interlayer dielectric. A contact holes(118) which expose the active region of the semiconductor substrate is formed by etching the interlayer dielectric and etching both sidewalls of the pad region by using the polysilicon spacer. A polysilicon layer(120) is deposited on the top of the resultant structure. A pad pattern which buries the pad region and the contact hole is formed by etching the polysilicon layer until the surface of the interlayer dielectric is exposed.
Patent KR-20000061356-A (KR)
Inventor: LEE JIN U
IPC: C02F3/30
Filed: 1999-03-25
Abstract: PURPOSE: A process for biologically removing nitrogen and phosphorus in wastewater is provided, which is characterized in that the system can treat smoothly nutrients in spite of a deficient carbon source. And the system cuts down electric power costs by phosphorus uptake in an anoxic tank instead of an aerobic tank. CONSTITUTION: A process for biologically removing nitrogen and phosphorus in wastewater is characterized by comprising the following parts: a first settling tank(10), an anaerobic tank(20), a first anoxic tank(30), a second anoxic tank(40), a second settling tank(50), and an aerobic tank(60). And the system is characteristics of influent distribution(20-30%) to the second anoxic tank(40), internal return from the aerobic tank(60) to the first anoxic tank(30), sludge return(40-60%) from the second settling tank(50) to the anaerobic tank(20), the aerobic tank(60) equipped with media and a nitrogen and phosphorus removal microorganisms(XdPAO) of the first anoxic tank(30).
Patent KR-20000053670-A (KR)
Inventor: BAEK SOO GON
IPC: B08B3/00
Filed: 1999-03-29
Abstract: PURPOSE: A washing system for environmental protection is provided to decrease the using amount of water and detergents and to use water and cleaning liquid repetitively in a single washing machine. CONSTITUTION: Water is injected through a nozzle(11) to wash objects finally and flowed into a water reservoir(10). The water flows over a rinse tank(20) through a pipe(13) from the lower portion of the reservoir(10). The washing water continues to circulate by a pump(22) and flows into a main washing water reservoir(30) from the extreme lower portion of the rinse tank(20) through a pipe(25) as much as supplied tap water. A liquid containing foreign materials on the lower portion of the reservoir flows into the next reservoir to keep water in the former reservoir clean all the times. The water flowing into the main washing tub(30) washes the objects through main/primary washing nozzles(33,52) and then flows into the main washing water reservoir(30) again. The washing water flowing from the rinse tank(20) is discharged to a drain as keeping water level of the main washing water reservoir(30) through a main overflow pipe(36).
Patent KR-20000061938-A (KR)
Inventor: LEE CHANG JIN
IPC: B68G1/00
Filed: 1999-03-27
Abstract: PURPOSE: A method is provided to produce items with deodorizing function and therapeutic items by applying medicinal plants with deodorizing function or used for aroma therapy to a floor covered with laminated paper, a vinyl item, a plastic item and so on. CONSTITUTION: Plastic or vinyl is mixed with such antisepticized and dried medicinal plants with deodorizing function as wormwood or used for aroma therapy or the medicinal plants are attached onto the material. Thereby, an item with deodorizing function and a therapeutic item are produced.
Patent KR-19990046587-A (KR)
Title: 반송파변조신호가상관관계를갖는직교주파수분할다중화방식및장치
Filed: 1999-04-01
Abstract: 무선지상파방송, 위성방송통신, 유선케이블통신 등 정보통신채널을 정합하는 수단으로 사용되는 OFDM(orthogonal frequency division multiplexing) 방식은 채널부호화된 신호들을 각각의 반송파로 전송함으로써 복호화 과정에서 페이딩채널에 의해 신호손실이 발생해도 원래의 정보데이터를 복원할 수 있도록 하고 있으나 부호화된 신호의 손실 그 자체를 복원하는 것은 아니다. 
     본 발명은 각각의 부호화된 신호를 여러 반송파로 중복하여 전송함으로써 부호화된 신호의 일부가 주파수선택적페이딩채널에 의해 손실되어도 나머지 손실되지 않은 신호를 이용하여 부호화된 신호를 복원하도록 하여, 복호화 과정에 충분한 metric 정보를 제공함으로써 종래의 OFDM 방식의 성능을 현저하게 향상시킨 새로운 기술을 제공한다.